How To Use Neuron In A Sentence
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Our interneuronal connections in our brain, for example, process information at chemical signaling speeds of a few hundred feet per second, compared to a billion feet per second for electronics - electronics is a million times faster.
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The process of forging permanent neural pathways, whereby changes occur at the synapse between neurons that enhance and strengthen the connection, is called long-term potentiation.
After the Diagnosis
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Conclusion: Both spinal and supraspinal neuronal Phosphoinositide 3-kinase(PI3K) pathway played important role in morphine dependent and naloxone-precipitated withdrawal response in mice.
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Survival depends on the neuron receiving neurotrophic factors, such as nerve growth factor, which are produced by the target tissue and for which neurons compete.
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L1-CAM, together with other members of the L1 subfamily, is critical for several early development processes like axon outgrowth, fasciculation, neuronal migration and survival
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Long sympathetic neurons and sensory neurons, with particular reference to those of the dorsomedial quadrant of spinal ganglia in chick embryo [12], provided a most valuable system for demonstrating the three main activities of NGF, i.e., 1) its vital trophic role during the early developmental stages, 2) its property of enhancing differentiative processes such as neurite outgrowth, and 3) of guiding the growing or regenerating neurites along its own concentration gradient. [
Nobel Lecture The Nerve Growth Factor: Thirty-Five Years Later
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Astrocytes, previously thought to be unimportant in neuronal transmission, have recently been implicated in long-term modulation of neuronal synapses.
Health News from Medical News Today
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(I'm never home when it's on anyway) and setting the DVR to record it for later viewing seems more than I'm willing to do to expose my brain to the neuron-apoptosing and - necrosing antivaccinationist stupidity that Jenny routinely lays down, as lately I've been questioning whether any blog post, no matter how snarky and fun, is worth that kind of self-abuse.
ScienceBlogs Channel : Life Science
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Unlike a moving fibroblast, however, the extending axon also grows in size, with an accompanying increase in the total surface area of the neuron's plasma membrane.
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However, in parapodial motoneurons, the action potential is initiated at or near the soma and travels to the axon terminal.
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The medial stripe, nearest the midline, which becomes the ventral region of the neural tube, gives rise to motor neurons, whereas the lateral stripes give rise to interneurons and sensory neurons.
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He survived a near fatal heart attack and subsequent cardiac surgery, only to succumb to motor neurone disease.
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Most antidepressants -- including the commonly used Prozac and Zoloft -- work by increasing the amount of serotonin, a message-carrying brain chemical made deep in the middle of the brain by cells known as raphe neurons.
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May 31, 2008 someone with great grid neurons amazing coordination in juggling (via the NY Times) 20: 43 in just cool | Permalink
Someone with great grid neurons
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But we now know that other cells called microglia, which do divide, are crucial to the functioning of neurons.
Times, Sunday Times
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The scientists then injected those neurons into the lumbar spinal cords of the paralyzed rats.
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They are triggered by the basal ganglia, clusters of neurones located deep in the primitive, nonreasoning area of the brain.
Times, Sunday Times
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Y-27632 rescues collagen-induced arrest of neurite sprouting and elongation in cultured rat neurons
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In mammals, neurons located in the nose detect scents using special odor receptors, and shuttle the information to the olfactory bulb, which is the integration center for smell.
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She had helped to nurse one of her oldest friends while he died from motor neurone disease.
EMOTIONAL ROLLERCOASTER: A Journey Through the Science of Feelings
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The astrocytes will stain with glial fibrillary acid protein, the oligodendroglia - like cells with S100 but not with glial fibrillary acid protein, and the neurons with synaptophysin and/or neurofilament.
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I think he said that those opposing the creation of 'human admixed embryos' were, in effect wanting to kill future sufferers from illnesses such as Parkinson's Disease and Motor Neurone Disease.
Victory for the scientists
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Robertson RT, Gallardo KA, Claytor KJ, Ha DH, Ku KH, et al. (1998) Neonatal treatment with 192 IgG-saporin produces long-term forebrain cholinergic deficits and reduces dendritic branching and spine density of neocortical pyramidal neurons.
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Our data cofirm previous evidences, that long-term neuronal consequences of high-dose cholinergic activation are not necessarily derived from prolonged seizure activation (as seen in SE)
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This system shows habituation - that is the response of the motor neurons to repeated stimulation of the sensory neurons decreases.
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In 1999, researchers from Berkley and Harvard inserted electrodes into the brains of anesthetized cats that monitored the activity of 177 neurons located in the lateral geniculate nucleus, a key visual processing center.
Dollhouse: Eyeball Cameras
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In neurons, calcium entry through voltage-gated channels tightly couples an action potential with transmitter release.
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(A) Distribution of average intensities of reelin IR measured on somata of neurons treated with cycloheximide (n = 270 neurons) or vehicle (inset, n = 240 neurons) for 9 and 16 hours.
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Now there are new tools that let us see the interneuronal connections and their signaling, in vivo, and in real-time.
2005/04 - 2005/05
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-- A selective allosteric potentiator of the M1 muscarinic acetylcholine receptor increases activity of medial prefrontal cortical neurons and restores impairments in reversal learning.
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Posted on: Tuesday, 2 February 2010, 09: 13 CST The role that the master gene Math1 plays in making a critical population of cells called granule neurons in the cerebellum also
WN.com - Articles related to Stars of Film, Television, Sports and Music Join Marlo Thomas to Kick Off the 6th Annual Thanks and Giving(R) Campaign to Support St. Jude Children's Research Hospital(R)
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However, a very key interneuron in Melibe resides in the pedal ganglion, as is the case in both of the parapodial flappers, Aplysia and Clione, but neither of the dorsal-ventral swimmers.
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An increased release of transmitter each time the sensory neuron is activated leads to a stronger muscle activation.
The Nobel Prize in Physiology or Medicine 2000
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In undertaking a research and development project, we found that neuron model is inadequate owing to its defects such as those inherent in its structure and in its capability of information storage.
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In tissues that have rapidly varying energy requirements, such as muscles and neurons, phosphocreatine serves as a crucial source for high-energy phosphate groups.
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Epilepsy refers to recurrent seizures that reflect aberrant electrical activity of cerebral cortical neurons.
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Proprioceptor afferents project to the phrenic motor neurons and affect their firing rate.
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Lilly's treatment approach involves a modified form of a protein called glial cell derived neurotrophic factor, or GDNF, which is designed to protect these neurons.
Potential Parkinson's Treatment Explored
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Objective To isolate neuroepithelial stem cells from the spinal cord neural tube of the embryonic rat and induce them to differentiate into dopaminergic neurons.
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For future tests the team aims to speed up the simulation, make it more neurobiologically faithful, add structures seen in real mouse brains and make the responses of neurons and synapses more detailed.
Mouse Brain Simulated Via Computer | Impact Lab
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In this net, the input and output layers are linear, and the hidden layer has neurons with a hyperbolic tangent transfer function.
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Many theories propose that listening to and interpreting music with complex patterns activates the neuronal pathways in the hippocampus, which can lead to an increased efficacy of the neurons.
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These anaesthetics block sodium channels and thereby the excitability of all neurons, not just sensory neurons.
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Importantly, sound - and wind-sensitive Johnston's organ neurons exhibit different intrinsic response properties: the former are phasically activated by small, bi-directional, displacements of the aristae, whereas the latter are tonically activated by unidirectional, static deflections of larger magnitude.
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A canine Arylsulfatase G (ARSG) mutation leading to a sulfatase deficiency is associated with neuronal ceroid lipofuscinosis
Innovations-report
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These signaling molecules are called neurotransmitters because they transmit messages between neurons.
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The neurons of the supraoptic nucleus are magnocellular neurosecretory neurons - large neuroendocrine neurons which secrete their products, the hormones oxytocin and vasopressin into the circulation from their nerve endings in the posterior pituitary gland.
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Aplysia only has 20, 000 neurons, and many of them are so large and distinctive that they had been named and their functions identified.
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When we are asleep, thalamic neurons prevent penetration of sensory information upward to the cortex.
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Conclusion: Maternal folate deficiency can change the ultrastructure of fetal rat lobus frontalis. It may lead to abnormality of neuronal function and disturb fetal brain development.
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If you are reading something, language areas oscillate in theta frequency allowing high-gamma-related neural activity in individual neurons to transmit information, said Knight.
Slow Brain Waves are Key to Complex Activities | Impact Lab
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It codes for the protein in neurons that recycles secreted serotonin from the synapse.
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Ap cluster neurons form at the end of a long series of neuroblast cell divisions and only in the presence of specific molecular signals.
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Like the skin comparison neurons in the spinal cord, the center may be excitatory and the surround inhibitory.
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Each neuron is studded with a dozen or so identical receptors, all made by the same gene and all bearing the same structure.
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Other in vitro studies showed that the same cannabinoid could protect against neuronal death in response to hypoxia and glucose deprivation in cell culture conditions, but this effect was not mediated by CBI or CB2 receptors.
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We're in our 40s and she has motor neurone disease and is quite bad.
The Sun
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Nevertheless, the mechanism of neuronal cell cycle activation remains unclear.
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There are also supporting tissues in the nervous system, known collectively as glia; for example, Schwann cells surround the axons of peripheral neurons, and oligodendrocytes and astrocytes ensheath the axons of central neurons.
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Parallel multielectrode single-unit recording studies in rats have revealed that neurons in the hippocampal formation code for diverse features of the rat's experience: past and present spatial locations in the environment, intended future destination of travel, running speed, head direction, landmarks, visual and geometric features of the environment, goal locations, odors, conditioned stimuli, and sequences of events
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These modulate the neuronal circuits that are thought to be dysfunctional in such disorders.
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In the spinal column motoneuron denaturates in the mouse model, this can improve its mobility.
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VIEW FAVORITES yahooBuzzArticleHeadline = 'Internal Dem memo faults party message'; yahooBuzzArticleSummary = 'memo is sharply critical of Republican policies but also suggests a neurological explanation for Republican message success: By using emotional appeals and warning of dire threats, Republicans can trigger neurons called "amygdalae" in the temporal lobe, which is the seat of the "fight or flight" response in the brain.'
OpEdNews - Quicklink: Internal Dem memo faults party message
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The basic functional unit of muscle is the motor unit, which consists of a motoneuron and the muscle fibers that it innervates.
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The seizure activity in a particular muscle corresponds to activity in the motoneuron that innervates it.
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Rapid corticosteroid effects have also been seen in neurons of the rostral ventrolateral medulla recorded in vivo.
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In the developing mammalian brain, for example, neurons migrate up into the cranium, using much the same kind of amoeboid movement that our deep ancestor employed to capture bacteria.
NPR Topics: News
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A geneticist, he researched in the fields of muscular dystrophy and motor neurone disease.
Times, Sunday Times
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Retina I am going to illustrate these ideas by a brief discussion of neurons in the retina of the rabbit.
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A characteristic pattern of connections among neurons (nerve cell) in the eyes of most animals (including humans) is lateral inhibition network.
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But the doctors argued it was the morphine, and everybody treated me like I was being overemotional when I tried to get past the roadblock in my neurons.
Archive 2009-06-01
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Activation of dopamine D 2 like receptors is known to inhibit the activity of dopaminergic neurons in the ventral tegmental area of the brain.
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The observed fusion events occurred on the second timescale, a trait similar to the physiological fusion rate in unstimulated neurons.
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Objectives : To observe the roles of nuclear factor κ B ( NF κ B ) in corticosterone injured hippocampal neurons.
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An improved understanding of the receptor subtypes involved in state-dependent control of upper airway motoneurons may help establish more effective treatments.
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This long-held tenet, first proposed by Professor Cajal, held that brain neurons were unique because they lacked the ability to regenerate.
Neurogenesis: How to Change Your Brain
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At early stages of development, single muscle fibers are innervated by axon terminals from several different motor neurons.
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In midbrain slices from rats treated with saline or a single dose of cocaine, LTP could not be induced in VTA dopamine neurons unless GABA-mediated inhibition was reduced by bicuculline or picrotoxin.
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The principal ganglionic neurons receive the synaptic output of the preganglionic motor fibers in the splanchnic nerves, which originate in the anterior horn cells.
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Consider the physiologist's intuition that an increased neuronal firing frequency explains increased intensity of experience.
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Borghesani PR, Segal RA, Nagasawa T, et al. (1998) Impaired B-lymphopoiesis, myelopoiesis, and derailed cerebellar neuron migration in CXCR4 - and SDF-1-deficient mice.
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To anticipate something to come in this inquiry, an ordinary definition of the neuron is an example.
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A single neuron can communicate with as many as 50, 000 other nerve cells in this way.
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Prominent among the protective mechanisms that are controlled by nociceptive neurones is the microcirculation of the gastric mucosa.
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Broadly expressed cell markers, such as the neuronal nuclei antigen NeuN, the glial fibrillary acidic protein (GFAP), myelin proteolipid protein (PLP) and the fractalkine receptor CX3CR1 (which identify neurons, astrocytes, oligodendrocytes and microglia, respectively), are commonly used in immunohistochemical analysis of brain development or disease.
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Non-drugged rats that were placed in the complex cages had spiny neurons with increased dendritic branching, reflecting new neuronal development.
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The Anion Hypothesis There are certain organic anions present in the axoplasm of a neuron but absent from the extracellular fl uid.
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This Institute brings together for the first time the basic neurosciences with psychiatry and neurology to investigate the fundamental neuronal basis of mental illness.
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“We found that if we just transplanted motor neurons into the spinal cord and did nothing else, then the surrounding neighborhood in the spinal cord—the white matter surrounding the spinal fluid, which is full of other, healthy myelinated axons—would see these motor neurons as foreign and reject them,” Kerr says.
The Autoimmune Epidemic
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The downstream retinal neurons that receive and process information from photoreceptor cells are preserved for years after the onset of blindness," says Dr. Collins, "giving hope that visual sensitivity might be restored by allowing the artificial input of information to these surviving cells.
And Tomorrow's Winners Will Be...
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Another suggested cause is calcium-induced neuronal death which could implicate disruption of cytoskeletal microtubules inside neurons as the precipitating factor.
Deepak Chopra: End-of-Life Brain Activity - A Sign of the Soul?
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The word "signals" jumps out: Elsewhere the author criticizes the homunculi little men, making quite difficult determinations, that pervade putative neuroscientific accounts of the mind; there is more than a hint of a homunculus in the notion of neurons that "signal" to one another.
Rethinking Thinking
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Ultra High Gamma title Ultra high gamma in the human electrocorticogram description From Neurons to Brain Activity: Scientists Discuss Modeling the Brain at Multiple Levels.
Archive 2007-06-01
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In this study, we investigated the basic synaptic mechanisms responsible for reverberatory activity in small networks of rat hippocampal neurons in vitro.
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These measurements correlate with neuronal cell count and show a relative reduction of neurons in the epileptogenic hippocampus.
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Maybe in another 65 million years, give or take, cranial capacity will come to equilibrate with neuronal/mental capability.
Matthew Yglesias » Arctic Seabed Methane Stores Destabilizing
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While most researchers agree that new neurons are generated in the adult hippocampus and olfactory bulb, the existence of adult neurogenesis in other brain regions remains controversial.
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Values are mean percentage±sem of the total number of neuronal somata.
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The newly formed neuron is still immature; later it extends an axon and dendrite processes, and assumes the morphology of a mature neuron.
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When a classical pianist is diagnosed with motor neurone disease, she begins to form a close relationship with a student who becomes her carer.
The Sun
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We assume that the interneurones in gynandromorphic females that branch into the macroglomerular complex induced by a grafted male antenna can activate this pathway.
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Treatments for early, mild Alzheimer's disease, such as donepezil, improve the activity of neurons in the cholinergic system that use acetylcholine to transmit signals.
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Acetylcholine is released by neurons to provoke muscle contraction.
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During REM sleep, neural activities generating muscle atonia descend through the medulla and spinal cord, and inhibit the motorneurons in the brainstem and spinal cord (1).
Serendip's Exchange
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Montague published his findings in the October 2004 issue of Neuron, and a cottage industry was born.
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This includes opiate-induced depression of hypoglossal motoneuron (XII MN) output, which activates the genioglossal muscle of the tongue and helps maintain an open airspace for effective breathing
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On the other hand, exercise results in a marked increase in the production of stem cells and new motor neurons—those same motor neurons that are so essential for remyelinating myelin sheaths and axonal nerves in neurological autoimmune disease.
The Autoimmune Epidemic
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If we had good models for neurons and a wiring diagram of a brain, we could emulate it as a straightforward network simulation.
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And I don't think Fido or neurons have concepts and hence my view that they are not the sorts of thing that engage in deductive inference.
Backing Into an Evidentiary Standard for ID
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Going on foot fires up neurons in the brain that ease stress.
The Sun
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What happens in the disease is that the neurons or the brain cells are misfiring and not communicating well.
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Labeling of uterine-related neurons in the nodose ganglia (Fluorogold and pseudorabies virus) and in the brainstem nuclei (pseudorabies virus) was obtained.
In Defense of the Hysterectomy
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Parkinson s disease ( PD ) is a degenerative disorder characterized by a loss of midbrain dopamine ( DA ) neurons.
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Neuronal GSX expression, as reported from several hydrozoan and anthozoan species, is clearly more significant.
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They are long lived, grow rapidly in culture, and, with careful prompting in the laboratory, have the potential to induce the formation of specialized dentin, bone, and neuronal cells.
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Each ocellus comprises a common lens, a few hundred photoreceptor cells in groups of two to seven with a central rhabdom complex, and a synaptic neuropil where the receptors synapse onto large and small ocellar interneurons.
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Occasionally, the dorsal bipolar neuron was duplicated.
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A single motor neuron may innervate more than one fiber. A motor neuron plus all of the muscle fibers that it innervates comprise a motor unit.
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The dish, a Multi-Electrode Array, is instrumented with 60 two-way electrodes for communication between the neurons and external electronics.
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Accordingly, in pre-empting neuronal glucose utiliztion by the neuron, ketone bodies may compromise neuronal energetic efficiency and, together with both endogenously generated and diffusible ROS exported by the fatty acid-oxidizing astrocyte, promote cell injury.
Metabolism and ketosis | The Blog of Michael R. Eades, M.D.
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In addition, the observation that the "noisiest" neurons have a survival advantage helps explain the prevalence of epilepsy, in which some neurons become hyperactive and fire in an uncontrollable fashion.
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With light and electron microscopic autoradiography, the origination and distribution of the newborn neurons in adult "critical-period" songbird, Striated Mannikin were studied.
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:::::: Yes, you are referring to a spinal cord level reaction that occurs as the autonomics synapse on the interneurons in the 2nd, 3rd or 4th lamina of the gray matter of the spinal cord where endorphins are produced causing the feeling of well being and pain relief.
Citizendium, the Citizens' Compendium - Recent changes [en]
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The C8-B4 clone was created in 1996, and the neuronal cells grow adherently in culture.
Undefined
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Now he's looking to crowdfund his next research project, on the neuronal effects of amphetamines.
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It attacks motor neurones in the spinal cord and lower brain, which transmit signals from the brain to the voluntary muscles throughout the body.
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They observed both neurons and astrocytes, the two types of cells into which the brain stem cells mature.
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RNA cannot immediately play a role in neuronal functions; it might however, be important for long-term neuronal processes.
Eric R. Kandel - Autobiography
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Gouras also developed many of the non-invasive methods used to assess neuronal function in mouse visual system, such as electroretinography, which measures the retina's response to light.
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But, for her work studying motor neurone disease, sometimes it is unavoidable.
Times, Sunday Times
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Rasmussen Poll: Obama Takes Big Lead In New Hampshire
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The stimulants promote the release of dopamine and norepinephrine from presynaptic neurons into the synaptic cleft but then block reuptake by these same neurons.
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WPI, which is home to a Bioengineering Institute and Center for Neuroprosthetics, also brings extensive multidisciplinary expertise in basic and applied prosthesis research, including areas such as biomaterials, biofilm-resistant surface, soft and hard tissue integration, neuron growth, and tissue regeneration.
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Dissemination occurs in immunosuppressed individuals via hematogenous or direct neuronal extension.
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Neurons in the nucleus isthmi pars parvocellularis (Ipc) responded to wide ranges of visual and auditory features, but they were not tuned to particular values of those features.
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Botulinum toxin induces weakness of striated muscles by inhibiting transmission of alpha motor neurones at the neuromuscular junction.
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TC-5214 blocks these brain receptors, which are called neuronal nicotinic receptors.
AstraZeneca Dealt Setback on Antidepressant
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A woman terminally ill with motor neurone disease will next week begin a High Court battle to win the right to die, it was announced yesterday.
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If a single bioelectrical impulse traveling along a neuron in a petri dish is not a moral action, then the same must be true of human thought and behavior - merely a complex system of such impulses.
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Here he makes such suggestions as imitating simple neuron functions by using telegraph relays or vacuum tubes.
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GFP-positive neurons were processed and scored (in a blinded fashion) for having either a normal vs a pyknotic / mis-shapen / condensed morphology.
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Whether the young cells that persist become neurons or glia depends on where in the brain they end up and what type of activity is occurring in that brain region at the time.
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The technique involves using a weak electrical current to change the sensitivity of neurons in the brain.
Times, Sunday Times
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In the late summer of 2008, Judt was diagnosed with the variant of motor neurone disease known as amyotrophic lateral sclerosis? or in America as Lou Gehrig's disease, after a famous prewar baseball player?
Tony Judt obituary
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Most antidepressants - including the popular SSRIs - work by increasing the amount of serotonin made by cells -- called raphe neurons -- deep in the middle of the brain.
Newswise: Latest News
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Secondly, stimulation of capsaicin sensitive neurones in the stomach enhances the resistance of the gastric mucosa against experimentally imposed damage.
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The disease-induced destruction of these cells, which are called "basal forebrain cholinergic" BFC neurons, is key to the progression of Alzheimer's.
Yahoo! News: Business - Opinion
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The idea is the turn up the volume of neuronal signals that use acetylcholine as a transmitter molecule, by inhibiting the enzyme that would break it down and sweep it out of the synapse.
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Rodent studies have shown that antidepressants stimulate the growth of new neurons, and that this correlates with their mood-elevating effects.
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One neuron in the area called the optic tectum because it sits on the "roof" of the brain, sends axons to others in a knob of tissue called the nucleus isthmi.
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Hanson has shown that amphetamines increase the concentration of catecholamines in the synaptic cleft by stimulating their release from the interneuronal storage vesicles.
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He is an exponent of connectionism, the theory that behavior and thought should ultimately be explained in terms of physical connections between neurons.
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Axons of neurons in the hippocampus (a specialized part of the cerebral cortex involved in conscious memory) run in a tract called the fornix, which ends on neurons in the mammillary bodies of the hypothalamus.
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Synapses, minute gaps between neurones where one neurone receives signals from another, also facilitate nerve cell communication.
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They can manufacture a whole host of body parts, from neurons to muscles to blood cells.
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There is certainly not much feelgood about Terry Pratchett: Choosing to Die, which will be broadcast on BBC2 on 13 June and feature footage of the Discworld author witnessing the assisted death of a man with advanced motor neurone disease in Switzerland's Dignitas clinic.
BBC documentary boss wants programmes that do more than entertain
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At the present time we can only speculate about the implications of such ‘experience-dependent shaping of neuronal circuits’ for facilitating the deep psychobiology of therapeutic hypnosis.
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Only, the ship computer would infuse images directly into his visual cortex, directly into the neurons at the back of his brain.
The Broken God
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Evidence from both species supports the conclusion that the excitation derives from glutamatergic premotor interneurones and cholinergic homonymous motorneurones.
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Although they do that indirectly, all nociceptors synapse first in the dorsal horn and then the second order neurons cross and go to the thalamus different from low threshold mechano-sensitive neurons which go on up to the gracile or cuneate nuclei, but still not directly to the thalamus.
Fetal Pain Researchers Failed to Disclose Abortion Affiliations
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Supporting this possibility, we found that long-term (overnight) exposure of neurons to FM1-43, so as to specifically label dendritic Golgi vesicles
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In normal condition, the onset of PS is not possible directly from W because the wake-active hypothalamic hypocretinergic neurons and brainstem monoaminergic neurons tonically excite the vlPAG / dDpMe PS-off GABAergic neurons.
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Dr. Ramachandran takes this even further: Mirror neurons, he claims, are the key to many modes of distinctively human communication and they are the reason we are "the one and only species that veritably lives and breathes culture.
The Mind in the Mirror
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Her results showed that, unlike peripheral nerve cells, retinal ganglion neurons with less neurofibromin had shorter branches and died more often when stressed.
WUSTL Record: University News
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Temburni, MK, et al. Receptor Targeting and Heterogeneity at interneuronal nicotinic cholinergic synapses in vivo.
T.S. Wiley: Estrogen Dilemma: There Is No Dilemma When You Know the Details
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AIM:To study the effect of intraventricular injection(icv) of histamine(HA) on corticotropin releasing hormone (CRH) neurons activity in paraventricular nucleus (PVN) of hypothalamus.
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(PhysOrg. com) -- An international team of scientists led by the University of Leeds has shed new light on the little-understood motor protein called dynein, thought to be involved in progressive neurological disorders such as motor neurone disease.
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Prostaglandins promote the development of hyperalgesia by sensitizing nociceptive neurons.
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The present study demonstrated that commonly labeled neurons of spinal cord were found in thoracic, lumbar and sacral spinal segments.
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The white matter abnormalities are thought to reflect both defects in myelination and developmental abnormalities in neurons affecting these white matter connections.
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Posted on: Tuesday, 2 February 2010, 09: 13 CST The role that the master gene Math1 plays in making a critical population of cells called granule neurons in the cerebellum also Posted on: Sunday, 31 January 2010, 13: 12 CST Researchers have made a breakthrough in HIV research that had eluded scientists for over 20 years, potentially leading to better Medicine in St. Louis have identified a protein made by the
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Around this bundle of neurones, that is around the nerve, is still another wrapping, silvery-white, called the neurilemma.
The Mind and Its Education
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My understanding is represented in vast patterns of neurotransmitter strengths, synaptic clefts, and interneuronal connections.
'I Married a Computer': An Exchange
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Neuronal Transmission, Cellular Excitability, and Calcium Signaling The many markers involved in the assembly, function and / or regulation of neurotransmitter receptors, included several related to peptidergic, aminergic, and cholinergic signaling, and suggested that HVC is a major target of neuromodulation by these pathways (
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In conclusion our results emphasize the key role of changes occurring in basal ganglia network implicated in the manifestation of EPS induced by a typical APD, demonstrating that hypokinesia and catalepsy-induced by α-flupentixol are clearly associated with hypoactivity and abnormal irregular patterns of STN and SNr neurons.
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Conclusions: OECs promote the growth of the co - cultured rat caudate nucleus neurons.
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French, Central neurons are depressed by iontophoretic and micropressure application of ethanol and tetrahydropapaveroline, Drug and Alcohol Dependence 4 1979: 239-43.
Alcohol and The Addictive Brain
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This is the first characterization of an enantioselective odorant receptor in insects and the results demonstrate that an OR alone, without helper proteins, can account for chiral specificity exhibited by olfactory sensory neurons (OSNs).
ScienceBlogs Channel : Life Science
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Larval motor neurons had a long-lasting, sodium-dependent afterhyperpolarization (AHP) following bursts of action potentials that was mediated by the electrogenic activity of Na
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The NHS is facing a "neurology timebomb" as the number of people with conditions such as Parkinson's and motor neurone disease MND increases, an umbrella organisation for charities in the field has said.
NHS warned of 'neurology timebomb'
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↑ Tweedle CD, Hatton GI (1976) Ultrastructural comparisons of neurons of supraoptic and circularis nuclei in normal and dehydrated rats.
Citizendium, the Citizens' Compendium - Recent changes [en]
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Often the dendrites have tiny, thornlike spines on their surfaces, which serve as contact points for parts of other neurons.
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Information is transferred along each neuron by means of an electrical impulse.
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Objective To study the protective effects of Schwann cell derived neurotrophic factor (SDNF) on motoneurons of spinal anterior horn from spinal root avulsion induced cell death.
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More information: "A canine Arylsulfatase G (ARSG) mutation leading to a sulfatase deficiency is associated with neuronal ceroid lipofuscinosis", Published: Aug. 17, 2010, in
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Of these, two clones could be differentiated into neuron -, adipocyte - or hepatocyte-like cells under certain culture conditions.
BioMed Central - Latest articles
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The neurofibrils provide internal support within the neuron and there are also support cells associated with the axon.
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The cerebellum, atop the brain stem, has many more, thanks to so many little granule cell neurons.
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Following binding of the neurotransmitter with a receptor, the postsynaptic membrane depolarizes which results in the generation of an impulse on the next neuron or the effector cell, e.g., muscle cell or secretory cell.
Neurotoxicity
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Like the skin comparison neurons in the spinal cord, the center may be excitatory and the surround inhibitory.
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In one of these species, for the most numerous caudal cluster in the reticular formation, NADPH diaphorase labels a dorsal sub-group in Xenopus which is thought to correspond to a well-described GABAergic population, the mhr neurons.
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Electrophysiological recordings from the optic tectum of the pigeon and the Bobolink revealed the presence of neurons that respond to changes in the direction of the ambient magnetic field, but only in the presence of light.
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So, the resting state of a neuron is negative, and a change in state is signalled by short, sharp flicks towards 0.
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He was diagnosed with amyotrophic lateral sclerosis, the most common form of motor neurone disease, which confined him to a wheelchair and forced him to speak through an electronic voicebox.
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Rasmussen Poll: Obama Takes Big Lead In New Hampshire
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At the medullary level, the medial lemniscus (which contains the 2nd neuron axons in the pathway for proprioceptive and tactile sensations) is found dorsal to the pyramidal tract and medial to the olivary nucleus.
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The viral capsid is transported to the dorsal root ganglion in neurons via retrograde axonal flow.
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For recording, we used chronically implanted multi-tetrode arrays - a technique that offered us the chance to monitor many neurons at extremely high recording quality.
PhysOrg.com - latest science and technology news stories
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Purkinje and hippocampal neurons are noted for their plasticity because they show long-term changes in neural transmission following certain stimulus regimes.
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It was motor neurone disease and he had two years to live.
The Sun
